We better print an error in case probing of dwc2 fails on
setting the DMA coherent mask.
Signed-off-by: Stefan Wahren <stefan.wah...@i2se.com>
---
drivers/usb/dwc2/platform.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 4703478..4ddbdbd 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -382,8 +382,10 @@ static int dwc2_driver_probe(struct platform_device *dev)
if (!dev->dev.dma_mask)
dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
retval = dma_set_coherent_mask(&dev->dev, DMA_BIT_MASK(32));
- if (retval)
+ if (retval) {
+ dev_err(&dev->dev, "can't set coherent DMA mask: %d\n", retval);
return retval;
+ }
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
hsotg->regs = devm_ioremap_resource(&dev->dev, res);
--
2.7.4
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